BR112021014817A2 - Método de operação de alto forno - Google Patents
Método de operação de alto forno Download PDFInfo
- Publication number
- BR112021014817A2 BR112021014817A2 BR112021014817-5A BR112021014817A BR112021014817A2 BR 112021014817 A2 BR112021014817 A2 BR 112021014817A2 BR 112021014817 A BR112021014817 A BR 112021014817A BR 112021014817 A2 BR112021014817 A2 BR 112021014817A2
- Authority
- BR
- Brazil
- Prior art keywords
- gas
- blast furnace
- reduction
- carbon
- reducing gas
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000007789 gas Substances 0.000 claims abstract description 429
- 230000001603 reducing effect Effects 0.000 claims abstract description 229
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 175
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 173
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 16
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 238000011017 operating method Methods 0.000 claims abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 106
- 229910052742 iron Inorganic materials 0.000 claims description 80
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 42
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 38
- 239000000571 coke Substances 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 27
- 239000001301 oxygen Substances 0.000 claims description 27
- 229910052760 oxygen Inorganic materials 0.000 claims description 27
- 239000003345 natural gas Substances 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 9
- 238000006722 reduction reaction Methods 0.000 description 160
- 239000000463 material Substances 0.000 description 62
- 239000001257 hydrogen Substances 0.000 description 27
- 229910052739 hydrogen Inorganic materials 0.000 description 27
- 229910001018 Cast iron Inorganic materials 0.000 description 25
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 22
- 230000007423 decrease Effects 0.000 description 22
- 238000004088 simulation Methods 0.000 description 20
- 239000003245 coal Substances 0.000 description 18
- 239000000203 mixture Substances 0.000 description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 12
- 238000004364 calculation method Methods 0.000 description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 238000013178 mathematical model Methods 0.000 description 6
- 229910000805 Pig iron Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 241001232253 Xanthisma spinulosum Species 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- -1 COG Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000011335 coal coke Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/006—Automatically controlling the process
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
- F27B14/143—Heating of the crucible by convection of combustion gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B2005/005—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2300/00—Process aspects
- C21B2300/04—Modeling of the process, e.g. for control purposes; CII
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture Of Iron (AREA)
- Blast Furnaces (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019026220A JP7105708B2 (ja) | 2019-02-18 | 2019-02-18 | 還元ガスの吹込み量決定方法及び高炉の操業方法 |
| JP2019-026220 | 2019-02-18 | ||
| PCT/JP2020/006011 WO2020171008A1 (fr) | 2019-02-18 | 2020-02-17 | Procédé de fonctionnement d'un haut-fourneau |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021014817A2 true BR112021014817A2 (pt) | 2021-09-28 |
Family
ID=72144706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021014817-5A BR112021014817A2 (pt) | 2019-02-18 | 2020-02-17 | Método de operação de alto forno |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20220119899A1 (fr) |
| EP (1) | EP3907303B1 (fr) |
| JP (1) | JP7105708B2 (fr) |
| KR (1) | KR102585689B1 (fr) |
| CN (1) | CN113423845B (fr) |
| AU (1) | AU2020226229B2 (fr) |
| BR (1) | BR112021014817A2 (fr) |
| CA (1) | CA3128163C (fr) |
| ES (1) | ES2981767T3 (fr) |
| TW (1) | TWI730628B (fr) |
| UA (1) | UA127367C2 (fr) |
| WO (1) | WO2020171008A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102607615B1 (ko) | 2021-09-29 | 2023-11-30 | 현대제철 주식회사 | 고로 조업 제어방법 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2719083A (en) * | 1954-08-02 | 1955-09-27 | Edmund S Pomykala | Smelting method |
| JPS491686B1 (fr) * | 1969-05-28 | 1974-01-16 | ||
| JPS5070706U (fr) * | 1973-10-26 | 1975-06-23 | ||
| US4198228A (en) * | 1975-10-24 | 1980-04-15 | Jordan Robert K | Carbonaceous fines in an oxygen-blown blast furnace |
| IT1212372B (it) | 1979-09-26 | 1989-11-22 | Abc Ist Biolog Chem Spa | Composizioni farmaceutiche ad atti vita' antiulcera contenenti un derivato dell'acido acetoidrossamico |
| JPS6019893U (ja) * | 1983-07-18 | 1985-02-12 | ティーディーケイ株式会社 | 管路ヒ−タ |
| US5234490A (en) * | 1991-11-29 | 1993-08-10 | Armco Inc. | Operating a blast furnace using dried top gas |
| RU2277127C1 (ru) * | 2005-01-17 | 2006-05-27 | Государственное образовательное учреждение высшего профессионального образования "Уральский государственный технический университет - УПИ" | Способ вдувания горячих восстановительных газов в доменную печь |
| JP5070706B2 (ja) | 2005-01-31 | 2012-11-14 | Ｊｆｅスチール株式会社 | 高炉操業方法 |
| DE102005027158A1 (de) * | 2005-06-11 | 2006-12-28 | Klaus Dr.-Ing. Scheidig | Verfahren zu Erzeugung von Roheisen im Hochofen unter Zuführung von Reduktionsgas in den Hochofenschacht |
| JP2007169750A (ja) | 2005-12-26 | 2007-07-05 | Jfe Steel Kk | 高炉操業方法 |
| KR101286924B1 (ko) | 2009-03-17 | 2013-07-16 | 아르셀러미탈 인베스티가시온 와이 데살롤로 에스엘 | 고로 가스의 재순환 방법 및 관련 장치 |
| JP6258039B2 (ja) * | 2014-01-07 | 2018-01-10 | 新日鐵住金株式会社 | 高炉の操業方法 |
| JP6322033B2 (ja) | 2014-04-08 | 2018-05-09 | 新日鐵住金株式会社 | 高炉の操業方法 |
| DE102014216336A1 (de) * | 2014-08-18 | 2016-02-18 | Küttner Holding GmbH & Co. KG | Verfahren zum Einblasen von Ersatzreduktionsmitteln in einen Hochofen |
| JP6463626B2 (ja) | 2014-12-16 | 2019-02-06 | 新日鐵住金株式会社 | 高炉の操業方法 |
| KR101758521B1 (ko) * | 2015-12-23 | 2017-07-17 | 주식회사 포스코 | 열풍로를 이용한 이산화탄소 분해 및 재활용 방법 |
| FI3412780T3 (fi) * | 2016-02-05 | 2024-07-11 | Nippon Steel Corp | Menetelmä vetypitoisen pelkistyskaasun syöttämiseksi masuunin kuiluosaan |
| DE102017006067A1 (de) * | 2017-06-27 | 2018-12-27 | Helmut Aaslepp | Sauerstoff-Hochofen mit Top Gas Recycling |
| JP6879112B2 (ja) | 2017-08-03 | 2021-06-02 | 井関農機株式会社 | 作業車両 |
-
2019
- 2019-02-18 JP JP2019026220A patent/JP7105708B2/ja active Active
-
2020
- 2020-02-15 TW TW109104884A patent/TWI730628B/zh active
- 2020-02-17 CA CA3128163A patent/CA3128163C/fr active Active
- 2020-02-17 EP EP20759676.8A patent/EP3907303B1/fr active Active
- 2020-02-17 AU AU2020226229A patent/AU2020226229B2/en active Active
- 2020-02-17 CN CN202080014651.XA patent/CN113423845B/zh active Active
- 2020-02-17 BR BR112021014817-5A patent/BR112021014817A2/pt not_active Application Discontinuation
- 2020-02-17 ES ES20759676T patent/ES2981767T3/es active Active
- 2020-02-17 KR KR1020217027226A patent/KR102585689B1/ko active IP Right Grant
- 2020-02-17 US US17/430,657 patent/US20220119899A1/en active Pending
- 2020-02-17 UA UAA202104860A patent/UA127367C2/uk unknown
- 2020-02-17 WO PCT/JP2020/006011 patent/WO2020171008A1/fr active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| AU2020226229A1 (en) | 2021-09-02 |
| ES2981767T3 (es) | 2024-10-10 |
| CN113423845A (zh) | 2021-09-21 |
| KR102585689B1 (ko) | 2023-10-06 |
| TW202039864A (zh) | 2020-11-01 |
| KR20210118911A (ko) | 2021-10-01 |
| CN113423845B (zh) | 2022-11-15 |
| AU2020226229B2 (en) | 2022-12-01 |
| CA3128163C (fr) | 2023-09-19 |
| UA127367C2 (uk) | 2023-07-26 |
| EP3907303A4 (fr) | 2022-09-07 |
| EP3907303B1 (fr) | 2024-04-10 |
| JP2020132928A (ja) | 2020-08-31 |
| JP7105708B2 (ja) | 2022-07-25 |
| EP3907303A1 (fr) | 2021-11-10 |
| TWI730628B (zh) | 2021-06-11 |
| US20220119899A1 (en) | 2022-04-21 |
| WO2020171008A1 (fr) | 2020-08-27 |
| CA3128163A1 (fr) | 2020-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] | ||
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B09B | Patent application refused [chapter 9.2 patent gazette] | ||
| B12B | Appeal against refusal [chapter 12.2 patent gazette] |